private int x;

private int y;

public Point(int x, int y) throws Exception {

if (!((x >= 0 && x < 25) && (y >= 0 && y < 25))) {

throw new IllegalArgumentException("입력 범위를 초과하였습니다. 0~24");

}

this.x = x;

this.y = y;

}

public static Point getPoint(int x, int y) throws Exception {

return new Point(x, y);

}

public static Point getPoint(String x, String y) throws Exception {

if (x == null || x == null) {

throw new Exception("(선, 삼각형, 직사각형)을 만들 수 없는 좌표입니다.");

}

return getPoint(Integer.parseInt(x), Integer.parseInt(y));

}

public Double getDistance(Point otherPoint) {

int aX = this.getX();

int aY = this.getY();

int bX = otherPoint.getX();

int bY = otherPoint.getY();

return Math.sqrt(Math.pow((aX - bX), 2) + Math.pow((aY - bY), 2));

}

public int getX() {

return x;

}

public int getY() {

return y;

}

@Override

public boolean equals(Object o) {

if (this == o) return true;

if (o == null || getClass() != o.getClass()) return false;

Point point = (Point) o;

if (this.x == point.getX() && this.y == point.getY()) {

return true;

}

return false;

}

@Override

public int hashCode() {

int result = 17;

result = 31 * result + this.x;

result = 31 * result + this.y;

return result;

}

@Override

public String toString() {

return "x : " + this.x + ", y : " + this.y;

}